<?php


namespace Part25_ResponsibilityChainModel\Code2;

/**
 * 国家类，相当于colleague类
 */
abstract class Country
{
    /**
     * @var UnitedNations
     */
    protected $mediator;

    /**
     * @param $mediator UnitedNations
     */
    public function __construct(UnitedNations $mediator)
    {
        $this->mediator = $mediator;
    }
}